did they use a weapon? >> yeah. he showed a gun. >> what happened at the maple leaf is part of a growing trend. all across the country hundreds and hundreds of pharmacies are being robbed by desperados strung out on oxycontin and other prescription drugs. most of the time they skip the cash and make off with the stash. >> a person doing pharmacy robberies for oxycontin is not going to stop until he or she is caught. why? the addiction is so overpowering that they will do anything they can to go out and get the dope. >> okay. keep me posted as to what happens with it. >> detective mike magan has 22 years of high profile cases under his belt. in december, 2007, he led the investigation into a rampage of eight robberies in eight days of pharmacies in and around seattle. >> it was clearly the same suspect with the same m.o. committing a series of robberies with a hand gun. >> we weren't getting fingerprints at the scene. he was gloved, masked. the only thing people were seeing was his eyes. >> the fear factor was high.